Deborah Withington of Sound Alert
If you cannot see, you may not be able to find your way out of a burning building-and that could be fatal. A company in Leeds could change all that__1__ directional sound alarms capable of guiding you to the exit.
Sound Alert, a company__2__ the University of Leeds, is installing the alarms in a residential home for__3__ people in Sommerset and a resource centre for the blind in Cumbria.__4__produce a wide range of frequencies that enable the brain to determine the __5__ is coming from.
Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be __6__ by humans. It is a burst of white noise__7__ people say sounds like static on the radio, he says. Its life-saving potential is great
She conducted an experiment in which people were filmed by thermal-imaging cameras trying to find their way out of a large__8__ room. It__9__ them nearly our minutes to find the door__10__ a sound alarm, but only 15 seconds with one.
Withington studies how the brain__11__ sounds at the university. She says that the __12__ of a wide band of frequencies can be pinpointed more easily than the source of a narrow band. Alarms__13__ on the same concept have already been installed on emergency vehicles.
The alarms will also include rising or falling frequencies to indicate whether people should go up__14__ down stairs. They were__15__ with the aid of a large grant from British Nuclear Fuels.
1. A) without B)with C)having D)selling
2. A) run by B)changed by C) decorated by D)criticized by
3. A) slow B)deaf C)blind D)lame
4. A) Alarms B) Alarm C) The alarm D) The alarms
5. A) noise B) sound C) music D) bell
6. A) watched B) produced C) learnt D) heard
7. A) where B) what C) that D) how
8. A) smoked B) smoke-filled C) filled with smoke D) smoke-filling
9. A) has taken B) takes C) took D) will take
10. A) on B) near C) without D) from
11. A) processes B) produces C) possesses D) proceeds
12. A) feature B) quality C)diagram D) source
13. A) basis on B) base on C) basing on D) based on
14. A) or B) and C) but D) otherwise
15. A) developed B) determined C) discovered D) delivered
key: BACDB DCBCC ADDAA
2016年中考英语词组辨析:stop/ station
2016年中考英语词组辨析:path/ road/ way
2016年中考英语词组辨析:tell of/ tell about
2016年中考英语词组辨析:problem/ question
2016年中考英语词组辨析:on time/ in time
2016年中考英语词组辨析:sound/ voice/ noise
2016年中考英语词组辨析:talk with/ talk of/ talk on/ talk about
2016年中考英语词组辨析:quite/ rather/ very
2016年中考英语词组辨析:subject/ theme/ topic
2016年中考英语词组辨析:above/over/on/upon
2016年中考英语词组辨析:thanks for/ thanks to
2016年中考英语词组辨析:very / right / ju
2016年中考英语词组辨析:river/ stream/ brook
2016年中考英语词组辨析:see sb doing sth/ do sth
2016年中考英语词组辨析:propose/ suggest
2016年中考英语词组辨析:worth/ worthy
2016年中考英语词组辨析:surprise/ surprising/ surprised
2016年中考英语词组辨析:towards/ to / for
2016年中考英语词组辨析:quick/ fast / rapid /soon
2016年中考英语词组辨析:steal/ rob
2016年中考英语词组辨析:why not/ why don’t
2016年中考英语词组辨析:a bit/ a little
2016年中考英语词组辨析:any/ some
2016年中考英语词组辨析:till/ until
2016年中考英语词组辨析:treat/ heal
2016年中考英语词组辨析:think much(well) of/ think highly of
2016年中考英语词组辨析:that/ who/ which
2016年中考英语词组辨析:about/ on
2016年中考英语词组辨析:personal/ personnel
2016年中考英语词组辨析:so…that / such…that
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